۞۞ :One·light·year·from·you: ۞۞

NGC 3184 by John.R.Taylor (www.cloudedout.squarespace.com) on Flickr.

Ian Regan

the eye of the dragon by Bernal Saborio G. (berkuspic) on Flickr.

Coccolithophores are single celled eukaryotic phytoplankton that synthesize intricate exoskeletons from crystals of calcium carbonate.  The functions of these coccoliths are unknown, and may include buoyancy, osmotic regulation, protection from UV light, predation, or mechanical shock.  When nutrient and light conditions are optimal, coccolithophores can form massive plankton blooms that are visible from space.  Large numbers of these organisms can accumulate on the ocean floor forming chalk deposits such as the White Cliffs of Dover. 

“Inner Space” by Carlos Quevedo

Steven Vincent Johnson

Eta Carinae

Great Physicists and their Blackboards

It’s been nearly 43 years since humans have set foot on the Moon, and yet we’ve never forgotten what it looks like. Yet nothing that anyone can describe — either about what it was like or what we’ve done while we were there — can take the place of what our final, highest-at-the-time resolution views can tell us. Go experience the whole thing for yourself.

Images of Saturn taken by Cassini and processed by Kevin Gill.

Thomas Wright. An Original Theory or New Hypothesis of the Universe. 1750. 

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Bernard Picart, The Chaos or the Origin of the World, 1733